CA1280161C - Methode d'imagerie a resonance magnetique et dispositif pour determiner l'angle d'impulsion d'une impulsion electromagnetique - Google Patents

Methode d'imagerie a resonance magnetique et dispositif pour determiner l'angle d'impulsion d'une impulsion electromagnetique

Info

Publication number
CA1280161C
CA1280161C CA000532187A CA532187A CA1280161C CA 1280161 C CA1280161 C CA 1280161C CA 000532187 A CA000532187 A CA 000532187A CA 532187 A CA532187 A CA 532187A CA 1280161 C CA1280161 C CA 1280161C
Authority
CA
Canada
Prior art keywords
pulse
electromagnetic
imaging method
magnetic resonance
resonance imaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000532187A
Other languages
English (en)
Inventor
Peter Van Der Meulen
Gerrit H. Van Yperen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1280161C publication Critical patent/CA1280161C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA000532187A 1986-03-20 1987-03-17 Methode d'imagerie a resonance magnetique et dispositif pour determiner l'angle d'impulsion d'une impulsion electromagnetique Expired - Lifetime CA1280161C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8600712 1986-03-20
NL8600712A NL8600712A (nl) 1986-03-20 1986-03-20 Magnetische resonatiewerkwijze en inrichting ter bepaling van het hoogfrequent vermogen van een hoogfrequent elektromagnetische alfa-puls.

Publications (1)

Publication Number Publication Date
CA1280161C true CA1280161C (fr) 1991-02-12

Family

ID=19847744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000532187A Expired - Lifetime CA1280161C (fr) 1986-03-20 1987-03-17 Methode d'imagerie a resonance magnetique et dispositif pour determiner l'angle d'impulsion d'une impulsion electromagnetique

Country Status (7)

Country Link
US (1) US4814708A (fr)
EP (1) EP0238139B1 (fr)
JP (1) JP2613878B2 (fr)
CA (1) CA1280161C (fr)
DE (1) DE3763258D1 (fr)
IL (1) IL81915A (fr)
NL (1) NL8600712A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597205B1 (fr) * 1986-04-15 1988-06-17 Thomson Csf Procede de calibration d'une excitation radiofrequence en experimentation rmn
FR2598509B1 (fr) * 1986-05-06 1989-03-31 Thomson Cgr Procede de calibration de l'amplitude de l'excitation radiofrequence d'un appareil d'imagerie par resonance magnetique nucleaire
FR2628839B1 (fr) * 1988-03-18 1991-08-16 Thomson Cgr Procede de mesure des effets des courants de foucault
DE3823398A1 (de) * 1988-07-09 1990-01-11 Spectrospin Ag Verfahren zur erzeugung einer folge von spinechosignalen, die verwendung dieses verfahrens bei der kernspintomographie und vorrichtung zum durchfuehren bzw. zur verwendung dieses verfahrens
DE3923069C3 (de) * 1989-07-13 1996-11-21 Bruker Medizintech Verfahren und Vorrichtung zum Kalibrieren einer Hochfrequenz-Feldstärke in einem Meßraum eines Kernspintomographen
US4983921A (en) * 1989-08-18 1991-01-08 The Regents Of The University Of California Rapid calibration of nutation angles in MRI
JP2945048B2 (ja) * 1990-01-24 1999-09-06 株式会社東芝 磁気共鳴イメージング装置
US5107215A (en) * 1990-06-25 1992-04-21 General Electric Rf power calibration for an nmr scanner
GB9217718D0 (en) * 1992-08-20 1992-09-30 British Tech Group Method of and apparatus for nmr testing
US5422572A (en) * 1993-08-06 1995-06-06 Toshiba America Mri, Inc. Method and apparatus for substantially simultaneously exciting a plurality of slices in NMR imaging
US5416412A (en) * 1993-09-30 1995-05-16 General Electric Company Nutation angle measurement during MRI prescan
US5891032A (en) * 1997-04-10 1999-04-06 Elscint Ltd Fat free TOF angiography
US6043657A (en) * 1997-09-18 2000-03-28 General Electric Company Calibration of RF pulses for MRI
DE102011005649B4 (de) 2011-03-16 2013-07-04 Siemens Aktiengesellschaft Bestimmung des tatsächlichen Kippwinkels und Justierung der Transmitterspannung bei der MR-Bildgebung eines kontinuierlich verfahrenen Untersuchungsobjekts

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486709A (en) * 1982-11-22 1984-12-04 Bendall Max R Depth and refocusing pulses for use with inhomogeneous radiofrequency coils in nuclear magnetic resonance spectroscopy
US4713615A (en) * 1985-08-30 1987-12-15 Resonex, Inc. Quantization error reduction method for phase encode gradient in NMR imaging

Also Published As

Publication number Publication date
EP0238139A1 (fr) 1987-09-23
NL8600712A (nl) 1987-10-16
JPS62236535A (ja) 1987-10-16
JP2613878B2 (ja) 1997-05-28
DE3763258D1 (de) 1990-07-19
IL81915A0 (en) 1987-10-20
EP0238139B1 (fr) 1990-06-13
US4814708A (en) 1989-03-21
IL81915A (en) 1990-09-17

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